Home / 11,575,120.34-15,971,078.64-6,611,975.20

Finding the Fourth Proportional to 11,575,120.34, 15,971,078.64 and 6,611,975.20

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Solution

The fourth proportional to 11,575,120.34, 15,971,078.64 and 6,611,975.20 is: 9,123,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575,120.34 : 15,971,078.64 = 6,611,975.20 : x
  2. Step 2: Convert to fraction form
    11,575,120.34/15,971,078.64 = 6,611,975.20/x
  3. Step 3: Cross multiply
    11,575,120.34x = 15,971,078.64 × 6,611,975.20
  4. Step 4: Simplify right side
    11,575,120.34x = 105,600,375,884,929.73
  5. Step 5: Solve for x
    x = 105,600,375,884,929.73/11,575,120.34
  6. Step 6: Final answer
    x = 9,123,047.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.